package wentianle.text8.model;

import java.sql.*;

public class DBTest1 {
    String name;
    String pass;
    public void sendInfo(String username,String password){
        this.name=username;
        this.pass=password;
    }


    public void userLogin() {
        String url = "jdbc:mysql://localhost:3306/library_management?useSSL=false&serverTimezone=Asia/Shanghai&allowPublicKeyRetrieval=true";
        String username = "root"; // 你的数据库用户名
        String password = "wtl1272326303"; // 你的数据库密码

        String name="admin";
        String pass="admin123";

        Connection conn=null;
        PreparedStatement prep=null;
        ResultSet rs=null;

        int id=0;
        String email=null;

        String sql = "select * from user where username = ? and password = ?";

        try {
            Class.forName("com.mysql.cj.jdbc.Driver");
            conn=DriverManager.getConnection(url, username, password);
            prep = conn.prepareStatement(sql);
            prep.setString(1, name);
            prep.setString(2, pass);

            rs = prep.executeQuery();

            while (rs.next()) {
                id = rs.getInt(1);
                email=rs.getString(6);
            }

        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }finally {
            try {
                rs.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
            try {
                prep.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
            try {
                conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }

        }
        System.out.println(id);
        System.out.println(email);
    }
}
